Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    LTC1851 Search Results

    LTC1851 Result Highlights (4)

    Part ECAD Model Manufacturer Description Download Buy
    LTC1851CFW#PBF Analog Devices 8-Ch, 12-B, 1.25Msps Smpl ADCs Visit Analog Devices Buy
    LTC1851CFW#TRPBF Analog Devices 8-Ch, 12-B, 1.25Msps Smpl ADCs Visit Analog Devices Buy
    LTC1851IFW#PBF Analog Devices 8-Ch, 12-B, 1.25Msps Smpl ADCs Visit Analog Devices Buy
    LTC1851IFW#TRPBF Analog Devices 8-Ch, 12-B, 1.25Msps Smpl ADCs Visit Analog Devices Buy
    SF Impression Pixel

    LTC1851 Price and Stock

    Analog Devices Inc LTC1851CFW#PBF

    IC ADC 12BIT SAR 48TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC1851CFW#PBF Tube 106 1
    • 1 $21.46
    • 10 $15.669
    • 100 $12.5252
    • 1000 $11.4375
    • 10000 $11.4375
    Buy Now
    Mouser Electronics LTC1851CFW#PBF 87
    • 1 $19.39
    • 10 $17.83
    • 100 $17.09
    • 1000 $13.4
    • 10000 $13.4
    Buy Now
    Analog Devices Inc LTC1851CFW#PBF 22
    • 1 $21.46
    • 10 $15.669
    • 100 $12.5252
    • 1000 $9.15
    • 10000 $9.15
    Buy Now
    Richardson RFPD LTC1851CFW#PBF 39
    • 1 -
    • 10 -
    • 100 $12.96
    • 1000 $12.28
    • 10000 $11.81
    Buy Now

    Analog Devices Inc LTC1851IFW#PBF

    IC ADC 12BIT SAR 48TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC1851IFW#PBF Tube 39 1
    • 1 $23.85
    • 10 $17.537
    • 100 $14.1115
    • 1000 $13.0625
    • 10000 $13.0625
    Buy Now
    Mouser Electronics LTC1851IFW#PBF 596
    • 1 $20.37
    • 10 $18.79
    • 100 $17.95
    • 1000 $14.56
    • 10000 $14.56
    Buy Now
    Verical LTC1851IFW#PBF 28 1
    • 1 $14.8925
    • 10 $14.8925
    • 100 $14.8925
    • 1000 $14.8925
    • 10000 $14.8925
    Buy Now
    Arrow Electronics LTC1851IFW#PBF 28 10 Weeks 1
    • 1 $14.8925
    • 10 $14.8925
    • 100 $14.8925
    • 1000 $14.8925
    • 10000 $14.8925
    Buy Now
    Analog Devices Inc LTC1851IFW#PBF 944
    • 1 $23.85
    • 10 $17.537
    • 100 $14.1115
    • 1000 $10.45
    • 10000 $10.45
    Buy Now
    Rochester Electronics LTC1851IFW#PBF 4 1
    • 1 $15.24
    • 10 $15.24
    • 100 $14.33
    • 1000 $12.95
    • 10000 $12.95
    Buy Now
    Richardson RFPD LTC1851IFW#PBF 39
    • 1 -
    • 10 -
    • 100 $14.8
    • 1000 $14.03
    • 10000 $13.49
    Buy Now

    Analog Devices Inc LTC1851CFW#TRPBF

    IC ADC 12BIT SAR 48TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC1851CFW#TRPBF Cut Tape 1
    • 1 $21.46
    • 10 $21.46
    • 100 $21.46
    • 1000 $21.46
    • 10000 $21.46
    Buy Now
    LTC1851CFW#TRPBF Reel 1,800
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $11.4375
    Buy Now
    LTC1851CFW#TRPBF Digi-Reel 1
    • 1 $21.46
    • 10 $21.46
    • 100 $21.46
    • 1000 $21.46
    • 10000 $21.46
    Buy Now
    Mouser Electronics LTC1851CFW#TRPBF
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $11.82
    Get Quote
    Analog Devices Inc LTC1851CFW#TRPBF 1,800 1,800
    • 1 $21.46
    • 10 $21.46
    • 100 $21.46
    • 1000 $9.15
    • 10000 $9.15
    Buy Now
    Richardson RFPD LTC1851CFW#TRPBF 1,800
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $11.81
    Buy Now

    Analog Devices Inc LTC1851IFW#TRPBF

    IC ADC 12BIT SAR 48TSSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC1851IFW#TRPBF Reel 1,800
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $13.0625
    Buy Now
    Mouser Electronics LTC1851IFW#TRPBF
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $13.29
    Get Quote
    Analog Devices Inc LTC1851IFW#TRPBF 1,800
    • 1 $14.31
    • 10 $14.31
    • 100 $14.31
    • 1000 $10.45
    • 10000 $10.45
    Buy Now
    Richardson RFPD LTC1851IFW#TRPBF 1,800
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $13.49
    Buy Now

    Amphenol Positronic LTC1851CFW

    Power ICS LTC1851CFW
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    NTEMALL LTC1851CFW 2,815
    • 1 $8.7259
    • 10 $8.7259
    • 100 $8.3768
    • 1000 $7.72
    • 10000 $7.72
    Buy Now

    LTC1851 Datasheets (9)

    Part ECAD Model Manufacturer Description Curated Type PDF
    LTC1851 Linear Technology 8-Channel, 10-Bit/12-Bit, 1.25Msps Sampling ADCs Original PDF
    LTC1851CFW Linear Technology Original PDF
    LTC1851CFW#PBF Linear Technology 8-Channel, 12-Bit, 1.25Msps Sampling ADCs; Package: SSOP; No of Pins: 48; Temperature Range: 0°C to +70°C Original PDF
    LTC1851CFW#TR Linear Technology 8-Channel, 12-Bit, 1.25Msps Sampling ADCs; Package: SSOP; No of Pins: 48; Temperature Range: 0°C to +70°C Original PDF
    LTC1851CFW#TRPBF Linear Technology 8-Channel, 12-Bit, 1.25Msps Sampling ADCs; Package: SSOP; No of Pins: 48; Temperature Range: 0°C to +70°C Original PDF
    LTC1851IFW Linear Technology Original PDF
    LTC1851IFW#PBF Linear Technology 8-Channel, 12-Bit, 1.25Msps Sampling ADCs; Package: SSOP; No of Pins: 48; Temperature Range: -40°C to +85°C Original PDF
    LTC1851IFW#TR Linear Technology 8-Channel, 12-Bit, 1.25Msps Sampling ADCs; Package: SSOP; No of Pins: 48; Temperature Range: -40°C to +85°C Original PDF
    LTC1851IFW#TRPBF Linear Technology 8-Channel, 12-Bit, 1.25Msps Sampling ADCs; Package: SSOP; No of Pins: 48; Temperature Range: -40°C to +85°C Original PDF

    LTC1851 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    Untitled

    Abstract: No abstract text available
    Text: LTC1850/LTC1851 8-Channel, 10-Bit/12-Bit, 1.25Msps Sampling ADCs DESCRIPTIO U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ The 10-bit LTC 1850 and 12-bit LTC1851 are complete 8-channel data acquisition systems. They include a flexible 8-channel multiplexer, a 1.25Msps successive approximation analog-to-digital converter with sample-and-hold,


    Original
    PDF LTC1850/LTC1851 10-Bit/12-Bit, 25Msps 10-bit 12-bit LTC1851 an1853 12-Bit,

    LTC1850

    Abstract: LTC1850CFW LTC1850IFW LTC1851 LTC1852
    Text: Final Electrical Specifications LTC1850/LTC1851 8-Channel, 10-Bit/12-Bit, 1.25Msps Sampling ADCs December 2001 DESCRIPTIO U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ The 10-bit LTC 1850 and 12-bit LTC1851 are complete 8-channel data acquisition systems. They include an


    Original
    PDF LTC1850/LTC1851 10-Bit/12-Bit, 25Msps 10-bit 12-bit LTC1851 25Msps 16-Bit LTC1850 LTC1850CFW LTC1850IFW LTC1852

    LTC1850

    Abstract: LTC1850CFW LTC1850IFW LTC1851 024V1 S/BIP/SCB345100/B/30/wf-6m
    Text: LTC1850/LTC1851 8-Channel, 10-Bit/12-Bit, 1.25Msps Sampling ADCs DESCRIPTIO U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ The 10-bit LTC 1850 and 12-bit LTC1851 are complete 8-channel data acquisition systems. They include a flexible 8-channel multiplexer, a 1.25Msps successive approximation analog-to-digital converter with sample-and-hold,


    Original
    PDF LTC1850/LTC1851 10-Bit/12-Bit, 25Msps 10-bit 12-bit LTC1851 and2/LTC1853 12-Bit, LTC1850 LTC1850CFW LTC1850IFW 024V1 S/BIP/SCB345100/B/30/wf-6m

    Untitled

    Abstract: No abstract text available
    Text: Electrical Specifications Subject to Change LTC1850/LTC1851 8-Channel, 10-Bit/12-Bit, 1.25Msps Sampling ADCs December 2001 DESCRIPTIO U FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ The 10-bit LTC 1850 and 12-bit LTC1851 are complete 8-channel data acquisition systems. They include an


    Original
    PDF LTC1850/LTC1851 10-Bit/12-Bit, 25Msps 10-bit 12-bit LTC1851 confi201 D11/S2

    LTC1857

    Abstract: LTC1858 LTC1859 WT41
    Text: LTC1857/LTC1858/LTC1859 8-Channel, 12-/14-/16-Bit, 100ksps SoftSpan A/D Converters with Shutdown U FEATURES DESCRIPTIO • The LTC 1857/LTC1858/LTC1859 are 8-channel, low power, 12-/14-/16-bit, 100ksps, analog-to-digital converters ADCs . These SoftSpanTM ADCs can be softwareprogrammed for 0V to 5V, 0V to 10V, ±5V or ±10V input


    Original
    PDF LTC1857/LTC1858/LTC1859 12-/14-/16-Bit, 100ksps 1857/LTC1858/LTC1859 100ksps, 100ksps 25ial, 16-Bit LTC1857 LTC1858 LTC1859 WT41

    Untitled

    Abstract: No abstract text available
    Text: LTC1863/LTC1867 12-/16-Bit, 8-Channel 200ksps ADCs FEATURES n n n n n n n n n n n DESCRIPTION Sample Rate: 200ksps 16-Bit No Missing Codes and ±2LSB Max INL 8-Channel Multiplexer with: Single Ended or Differential Inputs and Unipolar or Bipolar Conversion Modes


    Original
    PDF LTC1863/LTC1867 12-/16-Bit, 200ksps 200ksps 16-Bit 200ksps, 100ksps 16-Pin LTC1860/LTC1861 12-Bit,

    Untitled

    Abstract: No abstract text available
    Text: LTC2301/LTC2305 1-/2-Channel, 12-Bit ADCs with I2C Compatible Interface DESCRIPTION FEATURES n n n n n n n n n n n n n n 12-Bit Resolution Low Power: 1.5mW at 1ksps, 35 W Sleep Mode 14ksps Throughput Rate Internal Reference Low Noise: SNR = 73.5dB Guaranteed No Missing Codes


    Original
    PDF LTC2301/LTC2305 12-Bit 2301/LTC2305 12-pin

    LTC1867

    Abstract: LTC1863LCGN LTC1867L LTC6912 829D
    Text: LTC1863L/LTC1867L Micropower, 3V, 12-/16-Bit, 8-Channel 175ksps ADCs DESCRIPTION FEATURES n n n n n n n n n n n n The LTC 1863L/LTC1867L are pin compatible, 8-channel 12-/16-bit A/D converters with serial I/O and an internal reference. Sample Rate: 175ksps


    Original
    PDF LTC1863L/LTC1867L 12-/16-Bit, 175ksps 1863L/LTC1867L 12-/16-bit 175ksps 16-Bit LTC1863/LTC1867 175ksps, 50ksps LTC1867 LTC1863LCGN LTC1867L LTC6912 829D

    LTC2308

    Abstract: LTC1790
    Text: LTC2302/LTC2306 Low Noise, 500ksps, 1-/2-Channel, 12-Bit ADCs FEATURES DESCRIPTION n The LTC 2302/LTC2306 are low noise, 500ksps, 1-/2-channel, 12-bit ADCs with an SPI/MICROWIRE compatible serial interface. These ADCs include a fully differential sample-and-hold circuit to reduce common mode noise.


    Original
    PDF LTC2302/LTC2306 500ksps, 12-Bit 2302/LTC2306 40MHz. 500ksps 500ksps LTC2308 LTC1790

    ltc1790

    Abstract: LTC1468 LTC2308 TC02 736db LTC2308C Marking f06a header 12x2 ltc2308cufpbf
    Text: LTC2308 Low Noise, 500ksps, 8-Channel, 12-Bit ADC FEATURES DESCRIPTION n The LTC 2308 is a low noise, 500ksps, 8-channel, 12-bit ADC with an SPI/MICROWIRE compatible serial interface. This ADC includes an internal reference and a fully differential sample-and-hold circuit to reduce common mode


    Original
    PDF LTC2308 500ksps, 12-Bit 12-bit 40MHz. 500ksps 500ksps LTC1863/LTC1867 ltc1790 LTC1468 LTC2308 TC02 736db LTC2308C Marking f06a header 12x2 ltc2308cufpbf

    Untitled

    Abstract: No abstract text available
    Text: Electrical Specifications Subject to Change LTC2309 8-Channel, 12-Bit SAR ADC with I2C Interface FEATURES DESCRIPTION n The LTC 2309 is a low noise, low power, 8-channel, 12-bit successive approximation ADC with an I2C compatible serial interface. This ADC includes an internal reference


    Original
    PDF LTC2309 12-Bit 24-pin LTC2308 LTC2302/LTC2306 16-/24-Bits,

    Untitled

    Abstract: No abstract text available
    Text: LTC2308 Low Noise, 500ksps, 8-Channel, 12-Bit ADC FEATURES • ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ DESCRIPTION 12-Bit Resolution 500ksps Sampling Rate Low Noise: SINAD = 73.3dB Guaranteed No Missing Codes Single 5V Supply Auto-Shutdown Scales Supply Current with Sample


    Original
    PDF LTC2308 500ksps, 12-Bit 500ksps 500ksps 24-Pin LTC1863/LTC1867 12-/16-Bit, 200ksps

    LTC1867

    Abstract: LTC1863L LTC1867L
    Text: LTC1863L/LTC1867L Micropower, 3V, 12-/16-Bit, 8-Channel 175ksps ADCs U FEATURES DESCRIPTIO • The LTC 1863L/LTC1867L are pin compatible, 8-channel 12-/16-bit A/D converters with serial I/O and an internal reference. ■ ■ ■ ■ ■ ■ ■ ■ ■ ■


    Original
    PDF LTC1863L/LTC1867L 12-/16-Bit, 175ksps 1863L/LTC1867L 12-/16-bit 175ksps 16-Bit LTC1863/LTC1867 175ksps, 50ksps LTC1867 LTC1863L LTC1867L

    schematic diagram atx Power supply 500w

    Abstract: pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 Digital Signal Processors, iCoupler , iMEMS® and iSensor . . . . . 805, 2707, 2768-2769 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-568 RF Connectors . . . . . . . . . . . . . . . . . . . . . . Pages 454-455


    Original
    PDF P462-ND P463-ND LNG295LFCP2U LNG395MFTP5U US2011) schematic diagram atx Power supply 500w pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS

    Arduino Mega2560

    Abstract: 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l
    Text: ND3% BASE1 XXXX2108-0010-1-P 10 TSQ: 3001 CMS: CMS-USM TS host OP: NN COMP: 15-07-11 Hour: 13:07 TS:TS date TS time MCUS, MPUS, DSPS & DEVELOPMENT TOOLS Find Datasheets Online 8-BIT MCUS & DEVELOPMENT TOOLS 1 PSoC 3 DEVELOPMENT KITS ARDUINO MCU DEVLOPMENT PLATFORM


    Original
    PDF CY8C38 CY8C29 incl795 12T9797 12T9804 12T9803 12T9800 12T9802 12T9801 12T9805 Arduino Mega2560 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l

    LTC1850

    Abstract: LTC1851 LTC1852CFW LTC1853
    Text: LTC1852/LTC1853 8-Channel, 10-Bit/12-Bit, 400ksps, Low Power, Sampling ADCs U FEATURES • ■ ■ ■ ■ ■ ■ ■ DESCRIPTIO The 10-bit LTC 1852 and 12-bit LTC1853 are complete 8-channel data acquisition systems. They include a flexible 8-channel multiplexer, a 400ksps successive approximation analog-to-digital converter, an internal reference


    Original
    PDF LTC1852/LTC1853 10-Bit/12-Bit, 400ksps, 10-bit 12-bit LTC1853 400ksps m/LTC1851 12-Bit, 25Msps, LTC1850 LTC1851 LTC1852CFW

    MC68HCO5

    Abstract: No abstract text available
    Text: LTC1090 Single Chip 10-Bit Data Acquisition System FEATURES • ■ ■ ■ U ■ DESCRIPTIO Software Programmable Features: Unipolar/Bipolar Conversions 4 Differential/8 Single Ended Inputs MSB or LSB First Data Sequence Variable Data Word Length Built-In Sample and Hold


    Original
    PDF LTC1090 10-Bit 30kHz LTC1090A) L1851 10-Bit/12-Bit, 25Msps LTC1852/LTC1853 400ksps MC68HCO5

    2N7002

    Abstract: LTC1911
    Text: DESIGN FEATURES No Space? No Problem for these Tiny, Inductorless, Efficient, Low Noise, 1.8V and 1.5V, Step-Down DC/DC by Bill Walter Converters Introduction The proliferation of portable devices with ever increasing functionality has imposed a higher demand on power


    Original
    PDF LTC1911 12-bit, 25Msps 2N7002

    LTC1853

    Abstract: LTC1850 LTC1851 LTC1852 8a039 LTC1852 LTC1853
    Text: LTC1852/LTC1853 8-Channel, 10-Bit/12-Bit, 400ksps, Low Power, Sampling ADCs FEATURES DESCRIPTION n The 10-bit LTC 1852 and 12-bit LTC1853 are complete 8-channel data acquisition systems. They include a flexible 8-channel multiplexer, a 400ksps successive approximation analog-to-digital converter, an internal reference and a


    Original
    PDF LTC1852/LTC1853 10-Bit/12-Bit, 400ksps, 10-bit 12-bit LTC1853 400ksps 150mW LTC1415 12-Bit, LTC1850 LTC1851 LTC1852 8a039 LTC1852 LTC1853

    LTC1790

    Abstract: diode marking c2 sma hi speed op amp marking code 10 lead msop package analog devices 500kh sma marking code pd Analog Marking Information ch7 marking LTC1417 marking code C5
    Text: LTC2308 Low Noise, 500ksps, 8-Channel, 12-Bit ADC FEATURES DESCRIPTION n The LTC 2308 is a low noise, 500ksps, 8-channel, 12-bit ADC with an SPI/MICROWIRE compatible serial interface. This ADC includes an internal reference and a fully differential sample-and-hold circuit to reduce common mode


    Original
    PDF LTC2308 500ksps, 12-Bit 12-bit 40MHz. 500ksps 500ksps LTC1863/LTC1867 LTC1790 diode marking c2 sma hi speed op amp marking code 10 lead msop package analog devices 500kh sma marking code pd Analog Marking Information ch7 marking LTC1417 marking code C5

    marking code 10 lead msop package analog devices

    Abstract: No abstract text available
    Text: LTC2301/LTC2305 1-/2-Channel, 12-Bit ADCs with I2C Compatible Interface DESCRIPTION FEATURES n n n n n n n n n n n n n n 12-Bit Resolution Low Power: 1.5mW at 1ksps, 35 W Sleep Mode 14ksps Throughput Rate Internal Reference Low Noise: SNR = 73.5dB Guaranteed No Missing Codes


    Original
    PDF LTC2301/LTC2305 12-Bit 14ksps LTC2301) LTC2305) 12-Pin LTC2451/LTC2453 marking code 10 lead msop package analog devices

    SMD LTYN

    Abstract: ic 4440 40w amplifier 12v ltls e3 Weston 2281 thermometer LT3060ITS8 Transistor SR 6863 TO-126 LTC3855EUH-1 LTPG e3 5Dx diode SMD LTABA
    Text: November 2009 Product Selection Guide Amplifiers Data Converters Linear Regulators Switching Regulators µModule DC/DC Converters Battery Chargers LED Drivers Hot Swap Interface Filters RF/Wireless Silicon Oscillators Comparators Supervisory Circuits References


    Original
    PDF D-59387 D-73230 1-800-4-LINEAR SMD LTYN ic 4440 40w amplifier 12v ltls e3 Weston 2281 thermometer LT3060ITS8 Transistor SR 6863 TO-126 LTC3855EUH-1 LTPG e3 5Dx diode SMD LTABA

    LTC1863LCGN

    Abstract: LTC1867L ch7 marking 1867L
    Text: LTC1863L/LTC1867L Micropower, 3V, 12-/16-Bit, 8-Channel 175ksps ADCs DESCRIPTION FEATURES n n n n n n n n n n n n The LTC 1863L/LTC1867L are pin compatible, 8-channel 12-/16-bit A/D converters with serial I/O and an internal reference. Sample Rate: 175ksps


    Original
    PDF LTC1863L/LTC1867L 12-/16-Bit, 175ksps 1863L/LTC1867L 12-/16-bit 175ksps 16-Bit LTC1863/LTC1867 175ksps, 50ksps LTC1863LCGN LTC1867L ch7 marking 1867L

    LTC2309

    Abstract: No abstract text available
    Text: LTC2309 8-Channel, 12-Bit SAR ADC with I2C Interface Features Description 12-Bit Resolution n Low Power: 1.5mW at 1ksps, 35µW Sleep Mode n 14ksps Throughput Rate n Low Noise: SNR = 73.4dB n Guaranteed No Missing Codes n Single 5V Supply n 2-Wire I2C Compatible Serial Interface with Nine


    Original
    PDF LTC2309 12-Bit 14ksps 24-Pin 20-Pin 12-bit LTC2302/LTC2306 LTC2453 16-Bit LTC2309